1524089 - Provide a policy to disable prefetching (NetworkPredictionOptions on Chrome)

Status: VERIFIED FIXED

(Firefox :: Enterprise Policies, enhancement, P1)

Description

[Mike Kaply [:mkaply]]

See:

https://www.chromium.org/administrators/policy-list-3#NetworkPredictionOptions

We should provide something similar that disables:

Network.dns.disablePrefetch
Network.dns.disablePrefetchFromHTTPS

Comment 1

[Mike Kaply [:mkaply]]

Attachment: Bug 1524089 - Add policy for disabling DNS prefetch

Comment 2

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/de85c14ece3e
Add policy for disabling DNS prefetch r=Felipe,flod

Comment 3

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

https://hg.mozilla.org/mozilla-central/rev/de85c14ece3e

Comment 4

[Emil Ghitta, QA [:emilghitta]]

This is verified fixed using Firefox 67.0b6 (BuildId:20190328152334) on Windows 10 64bit, macOS 10.12.6 and Ubuntu 16.04 32bit.

Comment 5

[Mike Kaply [:mkaply]]

Comment on attachment 9041218 [details]
Bug 1524089 - Add policy for disabling DNS prefetch

ESR Uplift Approval Request

• If this is not a sec:{high,crit} bug, please state case for ESR consideration: Policy related
• User impact if declined: Policy in 60.7 doesn't match 67
• Fix Landed on Version: 67
• Risk to taking this patch: Low
• Why is the change risky/not risky? (and alternatives if risky): Policy only, has automated test.
• String or UUID changes made by this patch: None. FTL change is not needed for ESR.

Comment 6

[Liz Henry (:lizzard) (privacy/fingerprinting team)]

Comment on attachment 9041218 [details]
Bug 1524089 - Add policy for disabling DNS prefetch

New policy, verified in nightly. OK for uplift to esr60.7.

Comment 7

[Ryan VanderMeulen [:RyanVM]]

https://hg.mozilla.org/releases/mozilla-esr60/rev/43f3587bdcc3